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[Qemu-devel] Is IOThread for virtio-net a good idea?

From: Anton Kuchin
Subject: [Qemu-devel] Is IOThread for virtio-net a good idea?
Date: Mon, 11 Feb 2019 16:40:44 +0300
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.4.0

As far as I can see currently IOThread offloading is used only for block devices and all others are emulated by main thread.

I expect that network devices can also benefit from processing in separate thread but I couldn't find any recent work in this direction. I'm going to implement a PoC but I want to ask if you know any previous attempts and do you know why it can be a total waste of time. Are there fundamental obstacles that prevent network emulation handling in IOThread?

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